THORLABS OSA203 REPAIR and THORLABS OSA203 CALIBRATION

 
Custom-Cal has a high success rate in the repair of the THORLABS OSA203. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the THORLABS OSA203 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   THORLABS OSA203   Description / Specification:    
THORLABS OSA203 1000 to 2500 nm  Optical Spectrum Analyzer

The Thorlabs OSA203 Optical Spectrum Analyzer is a general-purpose instrument that measures optical power as a function of wavelength. It is a Fourier Transform Optical Spectrum Analyzer (FT-OSA), which utilizes a scanning Michelson Interferometer in a push/pull configuration. This approach allows for the design of a full-featured OSA with the additional benefit of a high precision Wavelength Meter.
Specifications.

Wavelength Range: 1000 - 2500 nm.
Spectral Resolution: 60 pm (0.25 cm, 7.5 GHz), Broadband FT-OSA Mode.
Wavelength Meter Resolution: 0.2pm, Wavelength Meter Mode Linewidth < 4 GHz.
Display Resolution: System Controlled with User Override, max 0.01 ppm.
Spectral Accuracy: ±4 pm, Broadband FT-OSA Mode.
Wavelength Meter Accuracy: ±2 pm, Wavelength Meter Mode.
Spectral Precision: ±1 pm, Broadband FT-OSA Mode.
Wavelength Meter Precision: 0.2 pm, Wavelength Meter Mode.
Measurement Rate: 2 Hz.
Signal-to-Noise Ratio: >40 dB.
Level Sensitivity: -70 dB.
Input Power (Max): 10 dBm.



 



Related Optical Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

dBm
Optical power referenced to 1 millimatt

Multimode Fiber
Multimode Fiber has a large core (almost always 62.5 microns - a micron is one one millionth of a meter - but sometimes 50 microns) and is used with LED sources at wavelengths of 850 and 1300 nm for short distance, lower speed networks like LANs. Both multimode and singlemode fiber have an outside diameter of 125 microns - about 5 thousandths of an inch - just slightly larger than a human hair.

Power Repeatability
Power Repeatability is the random uncertainty in reproducing the power level after changing and re-setting the power level. The power repeatability is ± half the span (in dB) between the highest and lowest actual power. Note: - The long-term power repeatability can be obtained by taken the power repeatability and power stability into account.

Refractive Index
The refractive index or index of refraction of a substance is a measure of the speed of light in that substance. It is expressed as a ratio of the speed of light in vacuum relative to that in the considered medium. The velocity at which light travels in vacuum is a physical constant, and the fastest speed at which energy or information can be transferred. However, light travels slower through any given material, or medium, that is not vacuum.

Total insertion loss
A measure of the loss of light within an optical component


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